Home / 91,864,565.40-137,796,848.10-83,361,509.40

Finding the Fourth Proportional to 91,864,565.40, 137,796,848.10 and 83,361,509.40

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Solution

The fourth proportional to 91,864,565.40, 137,796,848.10 and 83,361,509.40 is: 125,042,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,565.40 : 137,796,848.10 = 83,361,509.40 : x
  2. Step 2: Convert to fraction form
    91,864,565.40/137,796,848.10 = 83,361,509.40/x
  3. Step 3: Cross multiply
    91,864,565.40x = 137,796,848.10 × 83,361,509.40
  4. Step 4: Simplify right side
    91,864,565.40x = 11,486,953,248,178,522
  5. Step 5: Solve for x
    x = 11,486,953,248,178,522/91,864,565.40
  6. Step 6: Final answer
    x = 125,042,264.10

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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.