Home / 158,681,688.90-237,913,870.08-80,807,851.50

Finding the Fourth Proportional to 158,681,688.90, 237,913,870.08 and 80,807,851.50

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Solution

The fourth proportional to 158,681,688.90, 237,913,870.08 and 80,807,851.50 is: 121,156,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,688.90 : 237,913,870.08 = 80,807,851.50 : x
  2. Step 2: Convert to fraction form
    158,681,688.90/237,913,870.08 = 80,807,851.50/x
  3. Step 3: Cross multiply
    158,681,688.90x = 237,913,870.08 × 80,807,851.50
  4. Step 4: Simplify right side
    158,681,688.90x = 19,225,308,683,214,936
  5. Step 5: Solve for x
    x = 19,225,308,683,214,936/158,681,688.90
  6. Step 6: Final answer
    x = 121,156,441.03

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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.