Home / 102,607,867,729.67-153,937,437,298.05-72,413,960,595.67

Finding the Fourth Proportional to 102,607,867,729.67, 153,937,437,298.05 and 72,413,960,595.67

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Solution

The fourth proportional to 102,607,867,729.67, 153,937,437,298.05 and 72,413,960,595.67 is: 108,639,032,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,607,867,729.67 : 153,937,437,298.05 = 72,413,960,595.67 : x
  2. Step 2: Convert to fraction form
    102,607,867,729.67/153,937,437,298.05 = 72,413,960,595.67/x
  3. Step 3: Cross multiply
    102,607,867,729.67x = 153,937,437,298.05 × 72,413,960,595.67
  4. Step 4: Simplify right side
    102,607,867,729.67x = 11,147,219,518,698,641,424,384
  5. Step 5: Solve for x
    x = 11,147,219,518,698,641,424,384/102,607,867,729.67
  6. Step 6: Final answer
    x = 108,639,032,906.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.