Home / 124,417,097.60-186,625,646.40-90,152,931.20

Finding the Fourth Proportional to 124,417,097.60, 186,625,646.40 and 90,152,931.20

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Solution

The fourth proportional to 124,417,097.60, 186,625,646.40 and 90,152,931.20 is: 135,229,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,097.60 : 186,625,646.40 = 90,152,931.20 : x
  2. Step 2: Convert to fraction form
    124,417,097.60/186,625,646.40 = 90,152,931.20/x
  3. Step 3: Cross multiply
    124,417,097.60x = 186,625,646.40 × 90,152,931.20
  4. Step 4: Simplify right side
    124,417,097.60x = 16,824,849,060,054,728
  5. Step 5: Solve for x
    x = 16,824,849,060,054,728/124,417,097.60
  6. Step 6: Final answer
    x = 135,229,396.80

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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.